Abstract:
PROBLEM TO BE SOLVED: To provide an onium salt suitable for a radiation-sensitive acid generating agent, to provide a radiation-sensitive acid generating agent comprising the onium salt as an essential component, and to provide a positive-type radiation-sensitive resin composition containing the radiation-sensitive acid generating agent. SOLUTION: The onium salt is represented by formula (5) (wherein, Ar 3 is a divalent aromatic hydrocarbon or the like; R 5 and R 6 are an alkyl group or the like; w is an integer of 1-10; y is an integer of 0-6; and v is an integer of 0-3), the radiation-sensitive acid generating agent comprising the onium salt as an essential component is provided, and the positive-type radiation-sensitive resin composition comprises the acid generating agent. COPYRIGHT: (C)2009,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To solve the problem of such an adverse influence as the deterioration in resist shape due to dissolution of resist resin, the extraction of photoacid generation agent, basic additive or the like; to satisfy various requests as liquid for liquid immersion whose refractive index is higher than that of water, and whose transparency at 248 mm and recycle property are high; and to form a pattern which is excellent in sensitivity, resolution, focal depth, and shape in the case of using the liquid for liquid immersion as liquid for KrF liquid immersion. SOLUTION: This liquid is used for a liquid immersion exposure device or a liquid immersion exposure method for carrying out exposure through liquid filled between a projection optical system lens and a substrate. The liquid is configured as a multi-ring saturated hydrocarbon compound having at least two ring structures in molecules whose transparency per optical length 1 mm in 248 nm is 90% or more. COPYRIGHT: (C)2007,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide an exposure means wherein oxygen is not dissolved in a liquid for immersion exposure, preventing the liquid for immersion exposure from absorbing light, and a liquid having a low flash point can be used safe, when the immersion method is used. SOLUTION: The immersion exposure apparatus 100 comprises a lighting means 211 for lighting an original plate 101, a substrate holding means 112 for holding a substrate 111, and a projection optical means 121 for transferring the pattern of the original plate 101 onto the substrate 111. A space between a top end part 123 of an optical element on the substrate 111 side of the projection optical means 121 and the surface of the substrate 111 is filled up with a liquid 301. The immersion exposure apparatus 100 includes a low oxygen concentration means for making the oxygen concentration at least around the liquid 301 lower than the air. COPYRIGHT: (C)2006,JPO&NCIPI
Abstract:
PROBLEM TO BE SOLVED: To provide a new diazodisulfone compound having high sensitivity to far ultraviolet rays, particularly represented by KrF excimer laser or ArF excimer laser and capable of providing a chemical amplification type resist excellent in line edge roughness, tolerance, etc., of depth of focus, when used as a radiation sensitive acid generator and to provide a positive type radiation-sensitive resin composition containing the diazodisulfone compound as the radiation-sensitive acid generator. SOLUTION: The diazodisulfone compound is represented by formula (1) (wherein R 1 to R 9 are each a hydrogen atom, a 1-4C alkyl group, a 1-4C alkoxy group or a 1-4C hydroxyalkyl group; A is a substituted or unsubstituted 1-10C straight-chain or branched divalent hydrocarbon group). The radiation-sensitive resin composition comprises (A) the diazosulfone compound and (B) an acid-dissociative group-containing resin which becomes readily soluble in an alkali when an acid-dissociative group is dissociated. COPYRIGHT: (C)2006,JPO&NCIPI
Abstract:
PROBLEM TO BE SOLVED: To provide a sparingly alkali-soluble resin-containing new polymer having a lactone ring substituted with an ether group, in which a carbon atom constituting the lactone ring forms a polymer main chain and a new unsaturated compound useful as a synthetic raw material, etc., for polymers. SOLUTION: The unsaturated compound is represented by general formula (1) [wherein R 1 is a substituted or unsubstituted 1-14C monovalent non-aromatic hydrocarbon group and R 2 is a hydrogen atom or a 1-14C alkyl group and n is an integer of 1-3] and its polymer has a recurring unit represented by general formula (I) [wherein R 1 , R 2 and n are each as defined above]. COPYRIGHT: (C)2005,JPO&NCIPI
Abstract:
PROBLEM TO BE SOLVED: To provide a (meth)acrylic polymer having a specified molecular weight distribution and a production method for synthesizing the polymer. SOLUTION: The (meth)acrylic polymer is produced by polymerizing (i) a compound represented by formula (1) or (ii) a mixture consisting of a compound represented by formula (1), a radical polymerization initiator, and at least one compound selected from among ditelluride compounds represented by formula (2). In formulas (1) and (2), R a is a 1-8C alkyl group, an optionally substituted aryl group, or an aromatic heterocyclic group; R b and R c are each H or a 1-8C alkyl group; and R d is an optionally substituted aryl group, an aromatic heterocyclic group, or an acyl, oxycarbonyl, or cyano group. COPYRIGHT: (C)2005,JPO&NCIPI
Abstract translation:待解决的问题:提供具有特定分子量分布的(甲基)丙烯酸类聚合物和合成聚合物的制备方法。 (甲基)丙烯酸类聚合物通过以下方法制备:(i)由式(1)表示的化合物或(ii)由式(1)表示的化合物,自由基聚合引发剂和 选自由式(2)表示的二碲化合物中的至少一种化合物。 在式(1)和(2)中,R“S”为1-8C烷基,任选取代的芳基或芳族杂环基; R b SP>和R C SP>分别为H或1-8C烷基; 并且R“SP”是任选取代的芳基,芳族杂环基或酰基,氧羰基或氰基。 版权所有(C)2005,JPO&NCIPI
Abstract:
PROBLEM TO BE SOLVED: To provide an acid generator free from problem of flammability and accumulation in the human body, generating an acid with high acidity and high boiling point, being suitably short in a diffusion distance in a resist film, and having a small dependency on degree of roughness and fineness of mask patterns, forming a resist pattern with improved nano edge roughness, a sulfonic acid generated from the acid generator, a suflonic acid derivative useful for raw material for synthesis of the acid generator, and a radiation-sensitive resin composition containing the acid generator. SOLUTION: The acid generator has a structure represented by general formula (I). Wherein R 1 is a monovalent substituent such as an alkoxyl group, an alkoxycarbonyl group or an alkylsulfonyl group, an alkoxysufonyl group or the like, m is an integer of >0, n is 1 or 2. The radiation-sensitive resin composition contains except the acid generator, an acid-dissociable-group-containing resin when it is a positive one; it contains an alkali-soluble resin and a crosslinking agent when it is a negative one. COPYRIGHT: (C)2005,JPO&NCIPI
Abstract:
PROBLEM TO BE SOLVED: To obtain an onium salt compound having excellent storage stability and suitable as a radiation-sensitive acid generator used in a radiation-sensitive resin composition useful as a chemical amplification type photoresist having high sensitivity and high resolution, the radiation-sensitive acid generator composed of the onium salt compound, and the positive-type radiation-sensitive resin composition containing the radiation-sensitive acid generator. SOLUTION: The onium salt compound has a cationic part expressed by formula (1) [A is I or S; (m) is an integer of ≥1; (n) is an integer of ≥0; (x) is an integer of 1-15; Ar 1 and Ar 2 are each a univalent (substituted)aromatic hydrocarbon group, or the like; and OZ is a sulfonic acid (ester) residue or a sulfinic acid (ester) residue]. The positive-type radiation-sensitive resin composition contains (A) the radiation-sensitive acid generator composed of the onium salt compound and (B) a resin containing an acid-dissociating group. COPYRIGHT: (C)2004,JPO&NCIPI
Abstract:
PROBLEM TO BE SOLVED: To provide a novel acid generator which is excellent in transparency to a radiation, generates an acid upon irradiation or heating, is nonproblematic in flammability and accumulation in the human body, and generates an acid having a high acidity and a high boiling point, being suitably short in a diffusion distance in a resist film, and having a small pattern dependency; and to provide, e.g., a radiation-sensitive resin composition containing the acid generator. SOLUTION: The acid generator has a structure represented by formula (1) or formula (2) (wherein R 1 is a hydrogen atom or a monovalent substituent; p is an integer of 1 or greater; Z 1 and Z 2 are each a fluorine atom or a perfluoroalkyl group; Y 1 is a single bond or a divalent group; R 2 is a monovalent or divalent substituent; q is an integer of 0 or greater; and n is an integer of 0 to 5). The radiation-sensitive resin composition contains the acid generator and an acid-dissociable-group-containing resin when it is a positive one; it contains the acid generator and an alkali-soluble resin and a crosslinking agent when it is a negative one. COPYRIGHT: (C)2004,JPO&NCIPI
Abstract:
PROBLEM TO BE SOLVED: To obtain a new compound having a structure suitable for a commercial production, high sensitivity especially to far ultraviolet rays and a charged particle beam, not damaging a semiconductor, having no problem of volatilization, side reaction, dark reaction in resist preservation and occurrence of foreign matter, exhibiting high resolving power. SOLUTION: This composition is shown by formula I (X1 is a 2-10C ester bond-containing organic group; R1 is a 1-10C alkyl or the like; m is 1-11; n is 0-10 and m+n